Home / 66,939.58-92,376.24-36,724.15

Finding the Fourth Proportional to 66,939.58, 92,376.24 and 36,724.15

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Solution

The fourth proportional to 66,939.58, 92,376.24 and 36,724.15 is: 50,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.58 : 92,376.24 = 36,724.15 : x
  2. Step 2: Convert to fraction form
    66,939.58/92,376.24 = 36,724.15/x
  3. Step 3: Cross multiply
    66,939.58x = 92,376.24 × 36,724.15
  4. Step 4: Simplify right side
    66,939.58x = 3,392,438,894.20
  5. Step 5: Solve for x
    x = 3,392,438,894.20/66,939.58
  6. Step 6: Final answer
    x = 50,679.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.